package com.winning.util.excelutil.util;

/**
 * @作者：caopengfei
 * @时间：2020/1/13
 */
public class StringUtils {
    public static boolean isEmpty(String str){
        return str == null || str.equals("") || str.equalsIgnoreCase("null");
    }

    public static boolean isNotEmpty(String str){
        return  !isEmpty(str);
    }
}
